:root {
  --mki-blue: #009ED4;
  --mki-teal: #6ABCB2;
  --mki-navy: #23263A;
  --mki-red: #C61627;
  --mki-blue-tint: #E6F6FB;
  --mki-teal-tint: #DAEFEC;
  --bg: #F8F8F8;
  --surface: #FFFFFF;
  --surface-alt: #FAFBFC;
  --border: #E2E2E4;
  --text: var(--mki-navy);
  --muted: #6b7280;
  --muted-faint: #999;
  --danger-tint: #FBEAEA;
  --pending-tint: #FFF4E0;
  --shadow: rgba(35,38,58,0.06);
  --heading-font: 'Poppins', -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --body-font: 'Inter', -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

/* Dark theme: applied when the user picks it (see theme.js, wired from head.ejs's inline
   bootstrap script) - falls back to the OS preference only until they've made an explicit
   choice, per :root:not([data-theme="light"]) below. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14161F;
    --surface: #1D202C;
    --surface-alt: #242733;
    --border: #333645;
    --text: #E7E8EC;
    --muted: #9CA3AF;
    --muted-faint: #7C8291;
    --mki-blue-tint: rgba(0,158,212,0.18);
    --mki-teal-tint: rgba(106,188,178,0.2);
    --danger-tint: rgba(198,22,39,0.2);
    --pending-tint: rgba(255,180,0,0.16);
    --shadow: rgba(0,0,0,0.4);
  }
}
:root[data-theme="dark"] {
  --bg: #14161F;
  --surface: #1D202C;
  --surface-alt: #242733;
  --border: #333645;
  --text: #E7E8EC;
  --muted: #9CA3AF;
  --muted-faint: #7C8291;
  --mki-blue-tint: rgba(0,158,212,0.18);
  --mki-teal-tint: rgba(106,188,178,0.2);
  --danger-tint: rgba(198,22,39,0.2);
  --pending-tint: rgba(255,180,0,0.16);
  --shadow: rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }

/* Several elements (.jaarkalender-day-row, .jaarkalender-chip, ...) set their own `display` via a
   class selector, which otherwise beats the browser's default `[hidden]{display:none}` rule at
   equal specificity once an author stylesheet is involved - without this, toggling `.hidden =
   true` from JS silently does nothing and the "hidden" row/chip keeps rendering anyway. */
[hidden] { display: none !important; }

html { background: var(--bg); color-scheme: light; }
html[data-theme="dark"] { color-scheme: dark; }
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) { color-scheme: dark; }
}

body {
  margin: 0;
  font-family: var(--body-font);
  background: var(--bg);
  color: var(--text);
}

.brand-bar { height: 4px; background: linear-gradient(90deg, var(--mki-blue), var(--mki-teal)); }

/* Keeps the brand bar, topbar and nav on screen while the page content scrolls beneath them -
   stuck together as one unit, so nav links (and the theme toggle/logout) stay reachable on long
   pages like Rooster or Jaarplanning. --header-height is measured in site-header-script.ejs so
   other sticky elements further down (roster's date header, jaarplanning's month nav) can stick
   just below this instead of underneath it. */
.site-header { position: sticky; top: 0; z-index: 20; }

h1, h2, h3, h4, .btn, .brand { font-family: var(--heading-font); }
h1, h2, h3, h4 { color: var(--text); font-weight: 700; }

a { color: var(--mki-blue); }
a:hover { color: var(--mki-teal); }

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 90%;
  margin: 0 auto;
}

.topbar .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 19px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.topbar .brand span { color: var(--mki-blue); }
.brand-mark { height: 28px; width: auto; flex-shrink: 0; }

.topbar form { margin: 0; }

.topbar-actions { display: flex; align-items: center; gap: 10px; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
  font-size: 15px;
  cursor: pointer;
  transition: background 0.15s;
}
.theme-toggle:hover { background: var(--mki-blue-tint); }
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
}

.nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 10px 20px;
  max-width: 90%;
  margin: 0 auto;
}

.nav a {
  padding: 8px 14px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  transition: background 0.15s, color 0.15s;
}

.nav a:hover { background: var(--mki-blue-tint); color: var(--mki-blue); }
.nav a.active { background: var(--mki-blue); color: white; }
.nav a.active:hover { background: var(--mki-teal); color: white; }

.container { max-width: 90%; margin: 0 auto; padding: 24px; }
.container.wide { max-width: 90%; }

.card {
  background: var(--surface);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 2px rgba(35,38,58,0.06);
  border: 1px solid var(--border);
}

.card h2, .card h3 { margin-top: 0; }

.curriculum-summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.curriculum-summary::-webkit-details-marker { display: none; }
.curriculum-summary::marker { content: ""; }
.curriculum-summary::after {
  content: "\25BE";
  color: var(--muted-faint);
  margin-left: 12px;
  transition: transform 0.15s;
  flex-shrink: 0;
}
.curriculum-details[open] > .curriculum-summary::after { transform: rotate(180deg); }
.curriculum-body { margin-top: 12px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 600; }

.row-list a.item, .row-list .item {
  display: block;
  padding: 12px 16px;
  margin-bottom: 8px;
  background: var(--surface);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: 0 1px 2px rgba(35,38,58,0.06);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.row-list a.item:hover { border-color: var(--mki-blue); box-shadow: 0 2px 6px rgba(0,158,212,0.15); }
.row-list .item .title { font-weight: 700; }
.row-list .item .subtitle { color: var(--muted); font-size: 13px; }

label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0 4px; font-weight: 600; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=time], input[type=url], select, textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--mki-blue); box-shadow: 0 0 0 3px var(--mki-blue-tint); }
input:disabled, select:disabled, textarea:disabled { background: var(--surface-alt); color: var(--muted); cursor: not-allowed; }
textarea { min-height: 70px; }

.checkbox-row { display: flex; align-items: center; gap: 8px; margin: 8px 0; }
.checkbox-row input { width: auto; }
.category-delete-btn {
  border: none;
  background: none;
  color: var(--mki-red);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 2px 4px;
  border-radius: 4px;
}
.category-delete-btn:hover { background: var(--danger-tint); }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 6px 0; }
.chip { padding: 4px 10px; border-radius: 999px; background: var(--mki-blue-tint); font-size: 12px; color: var(--mki-blue); font-weight: 600; }

.btn {
  display: inline-block;
  padding: 9px 20px;
  border-radius: 999px;
  border: none;
  background: var(--mki-blue);
  color: white;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.05s;
}
.btn:hover { background: var(--mki-teal); }
.btn:active { transform: scale(0.98); }
.btn.secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn.secondary:hover { background: var(--mki-blue-tint); color: var(--mki-blue); border-color: var(--mki-blue-tint); }
.btn.danger { background: var(--mki-red); }
.btn.danger:hover { background: #a01220; }
.btn.small { padding: 5px 14px; font-size: 12px; }

.inline-form { display: inline; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  background: var(--mki-blue-tint);
  color: var(--mki-blue);
}
.badge.archived { background: var(--danger-tint); color: var(--mki-red); }
.badge.pending { background: var(--pending-tint); color: #B36B00; }
.badge.approved { background: var(--mki-teal-tint); color: #2C7A6F; }
.badge.rejected { background: var(--danger-tint); color: var(--mki-red); }

.error { color: var(--mki-red); margin-bottom: 12px; font-weight: 600; }

.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: radial-gradient(circle at top left, var(--mki-blue-tint), var(--bg) 60%);
}
.login-box { width: 320px; position: relative; }
.login-box .brand { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; font-family: var(--heading-font); font-weight: 800; font-size: 22px; color: var(--text); margin-bottom: 20px; }
.login-box .brand span { color: var(--mki-blue); }
.login-box .brand .brand-mark { height: 48px; }
.login-box .theme-toggle { position: absolute; top: 16px; right: 16px; }

.section-divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.week-nav { display: flex; align-items: center; justify-content: space-between; }

.materials-embed { position: relative; width: 100%; padding-top: 62%; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); }
.materials-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.breadcrumbs { font-size: 13px; margin-bottom: 12px; color: var(--muted); }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs a:hover { text-decoration: underline; }
.breadcrumbs span:not(.breadcrumbs-sep) { color: var(--text); font-weight: 600; }
.breadcrumbs-sep { margin: 0 6px; color: var(--muted-faint); font-weight: 400; }

.folder-listing { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.folder-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; text-decoration: none; color: var(--text); font-size: 14px; border-bottom: 1px solid var(--border); }
.folder-item:last-child { border-bottom: none; }
.folder-item:hover { background: var(--mki-blue-tint); color: var(--mki-blue); }
.folder-item-icon { font-size: 16px; }
.folder-item-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.avail-cell { text-align: center; padding: 0 !important; }
.avail-cell form { margin: 0; }
.avail-cell button { width: 100%; height: 44px; border: 0; background: transparent; cursor: pointer; font-size: 13px; color: var(--text); }
.avail-cell.avail-available button { background: var(--mki-teal-tint); opacity: 0.5; }
.avail-cell.avail-unavailable button { background: var(--danger-tint); opacity: 0.5; }
.avail-cell.avail-override button { opacity: 1; font-weight: 700; }

.chat-thread { display: flex; flex-direction: column; gap: 10px; max-height: 420px; overflow-y: auto; }
.chat-bubble { max-width: 80%; padding: 8px 12px; border-radius: 12px; font-size: 14px; }
.chat-bubble.from-me { align-self: flex-end; background: var(--mki-blue); color: white; }
.chat-bubble.from-admin { align-self: flex-start; background: var(--mki-blue-tint); color: var(--text); }
.chat-bubble-meta { font-size: 11px; opacity: 0.75; margin-bottom: 2px; }

/* No overflow:hidden here - it's needed for the rounded corners, but any ancestor with a
   non-visible overflow breaks position:sticky on the thead below, so the rounding is a touch
   less than perfect at the top corners in exchange for the sticky header actually working. */
.roster-grid { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--surface); border-radius: 16px; box-shadow: 0 1px 2px rgba(35,38,58,0.06); border: 1px solid var(--border); }
.roster-grid th, .roster-grid td { border: 1px solid var(--border); vertical-align: top; padding: 6px; }
.roster-grid th { background: var(--mki-blue-tint); color: var(--text); font-size: 12px; font-weight: 700; white-space: nowrap; }
/* Date header + Geplande/Open diensten rows stay in view while scrolling past a long employee
   list - each needs its own opaque background or scrolled-past content shows through underneath. */
.roster-grid thead { position: sticky; top: var(--header-height, 0px); z-index: 5; }
.roster-grid thead .roster-cell { background: var(--surface); }
.date-header-btn {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
  padding: 4px;
  text-decoration: underline dotted;
  text-underline-offset: 3px;
}
.date-header-btn:hover { color: var(--mki-blue); }

.new-shift-dialog {
  border: none;
  border-radius: 16px;
  padding: 24px;
  max-width: 640px;
  width: 92vw;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.new-shift-dialog::backdrop { background: rgba(35,38,58,0.45); }

.session-pick-chip { border: none; cursor: pointer; font-family: inherit; }
.session-pick-chip:hover { background: var(--mki-blue); color: white; }
.roster-row-label { min-width: 140px; font-size: 13px; font-weight: 600; background: var(--surface-alt); }
.roster-cell { min-width: 150px; height: 64px; transition: background 0.1s; cursor: pointer; }
.roster-cell.drag-over { background: var(--mki-blue-tint); }
.roster-cell-unavailable {
  cursor: default;
  background: repeating-linear-gradient(45deg, var(--danger-tint), var(--danger-tint) 6px, var(--surface) 6px, var(--surface) 12px);
}
.unavailable-label { font-size: 11px; font-weight: 700; color: var(--mki-red); margin-bottom: 4px; }

.roster-summary-cell { min-width: 150px; padding: 8px; background: var(--surface-alt); vertical-align: top; }
.planned-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 2px;
  max-width: 100%;
  border-left: 3px solid var(--mki-blue);
  text-decoration: none;
}
.planned-chip.planned-chip-full { background: var(--mki-teal-tint); color: #2C7A6F; }
.planned-chip strong { font-weight: 700; flex-shrink: 0; }
.planned-chip-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.jaarkalender-month-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 12px 0;
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  position: sticky;
  top: var(--header-height, 0px);
  z-index: 5;
}
.jaarkalender-month-pill {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  color: var(--text);
  text-transform: capitalize;
  transition: background 0.15s, opacity 0.15s;
}
.jaarkalender-month-pill:hover { background: var(--mki-blue-tint); color: var(--mki-blue); }
.jaarkalender-month-pill-dim { opacity: 0.3; }

.jaarkalender-agenda { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; }
.jaarkalender-month-row {
  padding: 16px 20px 8px;
  font-weight: 800;
  font-family: var(--heading-font);
  color: var(--text);
  text-transform: capitalize;
  font-size: 15px;
  scroll-margin-top: 60px;
}
.jaarkalender-month-row:not(:first-child) { border-top: 1px solid var(--border); margin-top: 4px; }

.jaarkalender-day-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 3px 20px;
  min-height: 26px;
}
.jaarkalender-day-row.jaarkalender-has-entries { padding: 8px 20px; background: var(--surface-alt); }
.jaarkalender-day-row.jaarkalender-weekend:not(.jaarkalender-has-entries) { opacity: 0.45; }
.jaarkalender-day-row.jaarkalender-today { background: var(--mki-blue-tint); border-radius: 8px; }

.jaarkalender-date-cell {
  width: 46px;
  flex-shrink: 0;
  display: flex;
  align-items: baseline;
  gap: 5px;
  padding-top: 2px;
}
.jaarkalender-daynum { font-weight: 700; font-size: 13px; color: var(--text); }
.jaarkalender-today .jaarkalender-daynum { color: var(--mki-blue); }
.jaarkalender-dayname { font-size: 11px; color: var(--muted-faint); text-transform: uppercase; }

.jaarkalender-entries-cell { display: flex; flex-wrap: wrap; gap: 6px; flex: 1; }
.jaarkalender-chip {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 5px 10px;
  border-radius: 8px;
  border-left: 4px solid var(--mki-blue);
  background: var(--mki-blue-tint);
  color: var(--text);
  font-size: 12px;
  max-width: 260px;
  box-shadow: 0 1px 2px rgba(35,38,58,0.05);
}
.jaarkalender-chip-title {
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-decoration: none;
  color: inherit;
}
.jaarkalender-chip-title:hover { text-decoration: underline; }
.jaarkalender-chip-topic { color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.jaarkalender-chip-tutor { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.jaarkalender-chip-tutor button {
  border: none;
  background: none;
  padding: 0;
  margin: 0;
  font: inherit;
  cursor: pointer;
  color: var(--muted);
  text-decoration: underline;
  text-decoration-style: dotted;
}
.jaarkalender-chip-tutor button:hover { color: var(--mki-blue); }

.shift-chip {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--mki-blue);
  border-radius: 8px;
  padding: 6px 24px 20px 8px;
  margin-bottom: 6px;
  font-size: 12px;
  cursor: grab;
}
.shift-chip:active { cursor: grabbing; }
.shift-chip.training { border-left-color: var(--mki-teal); }
.shift-chip-time { font-weight: 700; color: var(--text); }
.shift-chip-run { display: block; font-size: 11px; font-weight: 600; color: var(--mki-teal); text-decoration: none; }
.shift-chip-run:hover { text-decoration: underline; }
.shift-chip-meta { color: var(--muted); margin: 2px 0 4px; }
.shift-chip .badge { margin-bottom: 4px; }
.shift-chip-delete { position: absolute; right: 4px; bottom: 2px; margin: 0; }
.shift-chip-delete-btn {
  border: none;
  background: none;
  color: var(--mki-red);
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  padding: 3px 6px;
  border-radius: 4px;
}
.shift-chip-delete-btn:hover { background: var(--danger-tint); }